716
FZUS51 KBOX 061405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT SUN SEP 6 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-070300-
1004 AM EDT SUN SEP 6 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRESSURE LINGERS OFFSHORE TODAY BUT HIGH PRES MOVES TOWARDS THE
WATERS FOR THE START OF NEXT WEEK. THIS CONTINUES, WITH TRANQUIL
WEATHER, THROUGH AT LEAST MID WEEK BEFORE ANOTHER LOW PRESSURE
APPROACHES ON THURSDAY.
ANZ250-070300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT SUN SEP 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND N 1 FOOT AT
3 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
4 FT AT 8 SECONDS AND NW 1 FOOT AT 4 SECONDS.
MON
NW WINDS AROUND 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND NE 2 FT AT
7 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 1 FOOT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
WED NIGHT AND THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-070300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NE 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
8 SECONDS AND N 2 FT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 7 SECONDS AND NE 2 FT AT 10 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 6 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 5 SECONDS, BECOMING N 1 FOOT
AT 3 SECONDS AND S 1 FOOT AT 9 SECONDS.
TUE NIGHT
SE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 3 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
WED NIGHT AND THU
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-070300-
CAPE COD BAY-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND N 2 FT AT
3 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
5 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 5 SECONDS, BECOMING N 1 FOOT
AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
S WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-070300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT SUN SEP 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND NW 2 FT AT
4 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NE
4 FT AT 9 SECONDS AND NE 3 FT AT 6 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 4 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-070300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT SUN SEP 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: N 4 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND N
2 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND NE 1 FOOT AT 5 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
WED NIGHT
SW WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. A CHANCE OF
SHOWERS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
9 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-070300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS.
TONIGHT
W WINDS AROUND 5 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS.
MON
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND E
2 FT AT 9 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 5 SECONDS AND N 2 FT AT 6 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND NE 1 FOOT AT
4 SECONDS.
WED NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-070300-
NANTUCKET SOUND-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E 2 FT AT
8 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E
2 FT AT 8 SECONDS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
2 FT AT 3 SECONDS AND NE 2 FT AT 5 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
5 SECONDS.
TUE
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS
AND NE 1 FOOT AT 4 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
WED NIGHT AND THU
SW WINDS 25 TO 30 KT. SEAS 4 TO 6 FT. A
CHANCE OF SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-070300-
VINEYARD SOUND-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT
AT 5 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT
AT 5 SECONDS, BECOMING N 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT
AT 4 SECONDS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-070300-
BUZZARDS BAY-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT
AT 5 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS.
MON
NW WINDS AROUND 10 KT, DIMINISHING TO AROUND 5 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND S 1 FOOT AT 5 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 6 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-070300-
RHODE ISLAND SOUND-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND N 1 FOOT
AT 3 SECONDS.
TONIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
NE 1 FOOT AT 3 SECONDS.
MON
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND
S 1 FOOT AT 5 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND N 2 FT AT 6 SECONDS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-070300-
BLOCK ISLAND SOUND-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND NE 2 FT AT 4 SECONDS.
TONIGHT
W WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
MON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 2 SECONDS, BECOMING NW 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 9 SECONDS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-070300-
BOSTON HARBOR-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS AROUND 10 KT, BECOMING NE. WAVES 1 FOOT
OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE
NW WINDS 5 TO 10 KT, BECOMING N IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
S WINDS AROUND 5 KT, BECOMING E AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
WED NIGHT AND THU
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-070300-
NARRAGANSETT BAY-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 5 TO 10 KT. WAVES AROUND 2 FT, THEN
1 FOOT OR LESS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TUE AND TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
4 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-070300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND NW 1 FOOT
AT 2 SECONDS.
TONIGHT
NW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 8 SECONDS AND NW 2 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
MON NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND S 1 FOOT AT 2 SECONDS.
TUE NIGHT
S WINDS AROUND 5 KT, BECOMING SE AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND N
1 FOOT AT 4 SECONDS.
WED
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
WED NIGHT AND THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-070300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: NE 6 FT AT 8 SECONDS AND NW 2 FT AT
4 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 8 SECONDS AND NW 2 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING
TO 5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 9 SECONDS AND N 3 FT AT 6 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW 1 FOOT AT
5 SECONDS.
WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
9 FT.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-070300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: NE 5 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 5 FT AT 8 SECONDS AND N
3 FT AT 5 SECONDS.
MON
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND
NW 2 FT AT 4 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
3 FT AT 9 SECONDS AND W 2 FT AT 4 SECONDS.
TUE
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND NE 2 FT AT 9 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-070300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 AM EDT SUN SEP 6 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NE 4 FT AT 8 SECONDS AND N 3 FT AT 4 SECONDS.
TONIGHT
N WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 8 SECONDS AND N
2 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
TUE AND TUE NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
4 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
6 TO 9 FT.
THU
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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